Home / 72,053.17-99,433.46-40,222.04

Finding the Fourth Proportional to 72,053.17, 99,433.46 and 40,222.04

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Solution

The fourth proportional to 72,053.17, 99,433.46 and 40,222.04 is: 55,506.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,053.17 : 99,433.46 = 40,222.04 : x
  2. Step 2: Convert to fraction form
    72,053.17/99,433.46 = 40,222.04/x
  3. Step 3: Cross multiply
    72,053.17x = 99,433.46 × 40,222.04
  4. Step 4: Simplify right side
    72,053.17x = 3,999,416,208.85
  5. Step 5: Solve for x
    x = 3,999,416,208.85/72,053.17
  6. Step 6: Final answer
    x = 55,506.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.